Inch-metric screw thread gauge



FIG. 1 is a top plan view showing my new design;

FIG. 2 is a front elevational view, the rear elevational view being identical thereto;

FIG. 3 is a cross-sectional view taken along line 3—3 in FIG. 1;

FIG. 4 is a left side elevational view, the right side elevational view being identical thereto; and,

FIG. 5 is a bottom plan view. 

The ornamental design for a inch-metric screw thread gauge, as shown and described. 